语境
Linux 4.7.6-1-ARCH #1 SMP PREEMPT Fri Sep 30 19:28:42 CEST 2016 x86_64
我正在使用GDM自动登录
我使用 XFCE 和 GNOME 作为窗口管理器进行了测试
问题
已启用自动登录
我看到一个黑屏，上面只有一条消息usb 1-1.6: device descriptor read/64, error -110，过了一段时间后，gdm 加载了（这不应该发生，因为自动登录已启用）。
自动登录已禁用
我的系统启动正常，但是仍然出现错误dmesg。
[ 3.110683] hid-generic 0003:1532:0015.0003: input,hidraw3: USB HID v1.11 Keyboard [Razer Razer Naga] on usb-0000:00:14.0-2/input1
[ 3.110714] usbcore: registered new interface driver uvcvideo
[ 3.110715] USB Video Class driver (1.1.1)
[ 3.116465] IPv6: ADDRCONF(NETDEV_UP): wlp1s0: link is not ready
[ 3.145364] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/sound/card1/input9
[ 3.146076] input: HDA Intel PCH Headphone Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input20
[ 3.237392] clocksource: Switched to clocksource tsc
[ 3.894440] Console: switching to colour frame buffer device 170x48
[ 3.948786] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 5.730958] ACPI: Battery Slot [BAT0] (battery present)
[ 5.731897] ACPI: AC Adapter [ADP1] (on-line)
[ 5.747141] input: HDA Intel HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/sound/card0/input21
[ 5.747249] input: HDA Intel HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.0/sound/card0/input22
[ 5.747530] input: HDA Intel HDMI HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:03.0/sound/card0/input23
[ 6.700771] random: nonblocking pool is initialized
// the problem is here
[ 7.960730] usb 1-1.6: device descriptor read/64, error -110
[ 19.960272] IPv6: ADDRCONF(NETDEV_UP): wlp1s0: link is not ready
[ 20.909436] wlp1s0: authenticate with 00:1a:3f:7f:6f:b4
[ 20.926085] wlp1s0: send auth to 00:1a:3f:7f:6f:b4 (try 1/3)
[ 20.927918] wlp1s0: authenticated
[ 20.931334] wlp1s0: associate with 00:1a:3f:7f:6f:b4 (try 1/3)
[ 20.935559] wlp1s0: RX AssocResp from 00:1a:3f:7f:6f:b4 (capab=0x431 status=0 aid=2)
[ 20.935632] wlp1s0: associated
[ 20.935674] IPv6: ADDRCONF(NETDEV_CHANGE): wlp1s0: link becomes ready
[ 21.290494] fuse init (API version 7.25)